447572722154540 has 24 divisors (see below), whose sum is σ = 972313155026640. Its totient is φ = 172855672004288.

The previous prime is 447572722154491. The next prime is 447572722154617. The reversal of 447572722154540 is 45451227275744.

It is a super-2 number, since 2×447572722154540² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 447572722154540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385838553002 + ... + 385838554161.

It is an arithmetic number, because the mean of its divisors is an integer number (40513048126110).

Almost surely, 2^{447572722154540} is an apocalyptic number.

It is an amenable number.

447572722154540 is an abundant number, since it is smaller than the sum of its proper divisors (524740432872100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447572722154540 is a wasteful number, since it uses less digits than its factorization.

447572722154540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771677107201 (or 771677107199 counting only the distinct ones).

The product of its (nonzero) digits is 87808000, while the sum is 59.

The spelling of 447572722154540 in words is "four hundred forty-seven trillion, five hundred seventy-two billion, seven hundred twenty-two million, one hundred fifty-four thousand, five hundred forty".